Controlled Expansion Alloys

FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing 4J29 is an equal grade of Kovar controlled expansion alloy in China. It has a high Curie point and good low temperature tissue stability Chemical compistion of 4J29 Element C Mn Si P S Cu Cr Mo Ni Co Fe Weight(%) 0.03 max 0.5 max 0.30 max 0.020 max 0.020 max 0.20 max 0.20 max 0.20 max 28.5~29.5 16.8~17.8 Bal Features High Curie point Good low-temperature stability Tense oxide film, and can be

Invar 36 Controlled Expansion Alloy Foil Thickness Range 0.005-0.05mm Invar 36 is a Nickel-Iron, low expansion alloy containing 36% Nickel. It maintains nearly constant dimensions over the range of normal atmospheric temperatures and has a low coefficient of expansion from cryogenic temperatures to about +500°C. Invar 36 also retains good strength and toughness at cryogenic temperatures. Applications include standards of length, thermostat rods, laser components and tanks and

Kovar Controlled Expansion Alloys Capillary O.D. 0.2-8mm Thickness 0.015-0.5mm A-ONE ALLOY is pround to supply Kovar capillary with high precision to customers from worldwide. We have rich experience in this area. We are not only a manufaturer of capillary, we could also do further processing like cutting, rolling, deburring, slotting, twisting and bending of capillaries. With strong processing ability, we could provide customized products according to customer requirements.

Kovar Controlled Expansion Alloy Hot Forged Round Bar for Glass Sealing Application A-ONE ALLOY keeps in stock Kovar hot fogerd round bar from diameter 20mm to diameter 300mm. And we could make fast delivery for customized sizes as well as forged pieces. Kovar controlled expansion alloy, most likely know as 4J29 in China, is a Nickel Iron alloy with 29% Nickel, 17% Cobalt and the remaining balance is Iron. Kovar controlled expansion alloy, was invented to meet the need for a

4J36 Low Expansion Iron-Nickel Alloy Strip Wire YB/T 5241-1993 4J36 is well known as Invar 36 worldwide. It is a low expansion alloy with Curie point of around 230°C. When the temperature is below this point, 4J36 is magnetic and the expansion rate is very low. And when the temperature goes above this point, it becomes non-magnetic and the expansion rate goes bigger. 4J36 particularly useful in applications where minimum thermal expansion and high dimensional stability is

4J6 Fe-Ni-Cr Glass Sealed Alloy Plate 4J6 is a typical glass sealing alloy, the coefficient of expansion is similar to the soft glass in the temperature range of 20~400℃. The alloy contains 6% chromium, and after oxidation treatment the alloy surface produces a very dense oxide membrane that is strongly bound to the substrate and well infiltrated with the soft glass, so that can get high strength sealing surface. The alloy is an important sealing structure material in the

42Ni-6Cr Expansion Alloy 4J6 Stip Rod Pipe 4J6 is a typical glass sealing alloy, the coefficient of expansion is similar to the soft glass in the temperature range of 20~400℃. The alloy contains 6% chromium, and after oxidation treatment the alloy surface produces a very dense oxide membrane that is strongly bound to the substrate and well infiltrated with the soft glass, so that can get high strength sealing surface. The alloy 4j6 contains 42% nickel, that is why the US

Nilo36 Low Expansion Alloy 4J36 Bar Strip Wire Readily Weldable 4J36 is well known as Invar 36 worldwide. It is a low expansion alloy with Curie point of around 230°C. When the temperature is below this point, 4J36 is magnetic and the expansion rate is very low. And when the temperature goes above this point, it becomes non-magnetic and the expansion rate goes bigger. Chemical composition Element C P S Si Mn Ni Fe Weight(%) 0.05 max 0.020 max 0.020 max 0.03 max 0.2~0.6 35.0

Expansion Alloy 4J6 For The Vacuum Display Screen ASTMF31-16 4J6 is a typical glass sealing alloy, the coefficient of expansion is similar to the soft glass in the temperature range of 20~400℃. The alloy contains 6% chromium, and after oxidation treatment the alloy surface produces a very dense oxide membrane that is strongly bound to the substrate and well infiltrated with the soft glass, so that can get high strength sealing surface. The alloy is an important sealing

Invar36 Low Expansion Alloy Readily Weldable And Corrosion Resistance Invar 36 is a Nickel-Iron, low expansion alloy containing 36% Nickel. It maintains nearly constant dimensions over the range of normal atmospheric temperatures and has a low coefficient of expansion from cryogenic temperatures to about +500°C. Invar 36 also retains good strength and toughness at cryogenic temperatures. Invar Alloy exhibits extremely low expansion around ambient temperatures, making Invar

Low Expansion Alloy 4J36 Strip Wire Bar Curie Temperature 230°C 4J36 is well known as Invar36 worldwide. It is a Low Expansion Alloy with Curie point of around 230°C.Invar alloy (Invar 36) is a low expansion alloy consisting of 36% Nickel, balance Iron. Invar Alloy exhibits extremely low expansion around ambient temperatures, making Invar Alloy particularly useful in applications where minimum thermal expansion and high dimensional stability is required, such as in precision

INVAR36(4J36)Low Expansion Alloy 4J36 is well known as Invar36 worldwide. It is a low expansion alloy with Curie point of around 230°C. When the temperature is below this point, 4J36 is magnetic and the expansion rate is very low. And when the temperature goes above this point, it becomes non-magnetic and the expansion rate goes bigger. 4J36 particularly useful in applications where minimum thermal expansion and high dimensional stability is required, such as in precision

Size range of Invar tubing Dimension: O.D.: Φ0.2～Φ8mm, wall thickness 0.015～0.5mm. Tolerance: O.D.: Φ±0.003mm, wall thickness T±0.005mm, length L±0.05mm. Introduction Invar is a low expansion alloy consisting of 36% Nickel, balance Iron. Invar Alloy exhibits extremely low expansion around ambient temperatures, making Invar Alloy particularly useful in applications where minimum thermal expansion and high dimensional stability is required, such as in precision instruments like

Invar 42 Iron-nickel Constant Expansion Alloy Nilo42 ASTM F30 UNS K94100 Iron-nickel constant expansion alloys are a series of constant expansion alloys which can match soft glass and ceramics with different expansion coefficients in a given temperature range by adjusting nickel content. The coefficient of expansion and Curie point increase with the increase of nickel content. The alloy is widely used as a sealing structural material in the electric vacuum industry. Invar 42

Introduction Invar alloy (Invar 36) is a low expansion alloy consisting of 36% Nickel, balance Iron. Invar Alloy exhibits extremely low expansion around ambient temperatures, making Invar Alloy particularly useful in applications where minimum thermal expansion and high dimensional stability is required, such as in precision instruments like optoelectronic devices, optical and laser benches, electronics, and other kinds of scientific instruments. Chemical composition Ni=35.0

Super Invar 32-5 austenitic solid solution alloy Strip, sheet, bar, wire, forging, tube Introduction Super Invar, a magnetic, austenitic, solid solution alloy containing iron, nickel, and cobalt, is designed to provide minimum thermal expansion at room temperatures. This alloy also exhibits austenite stability to service temperature at least -67°F and thermal expansion properties less than those of Invar 36 alloy (36% nickel-iron) when used in the -67/203°F (-55/95°C)

Kovar* (ASTM F-15) UNS K94610 Character of Kovar expansion alloy Kovar alloy is magnetic at all temperatures below the Curie point. Magnetic properties will depend upon heat treatment; the lower the hardness, the higher the permeability values and lower hysteresis loss. Density: 8.36g/cm3 Curie Temp: 435°C(815°F) Introduction of Kovar expansion alloy Kovar is a Ni-Fe alloy with 29% Nickel, 17% Cobalt and the remaining balance is Iron. The expansion characteristics of Kovar

4J42 Iron-nickel Constant Expansion Alloy Nilo42 ASTM F30 UNS K94100 Iron-nickel constant expansion alloys are a series of constant expansion alloys which can match soft glass and ceramics with different expansion coefficients in a given temperature range by adjusting nickel content. The coefficient of expansion and Curie point increase with the increase of nickel content. The alloy is widely used as a sealing structural material in the electric vacuum industry. Nilo 42

W. Nr. 1.3981 Round Bar Borosilicate Glasses and Alumina Type Ceramics Sealing W. Nr. 1.3981, a nickel-iron-cobalt alloy containing approximately 29% nickel and 17% cobalt. Its thermal expansion characteristics match those of borosilicate glasses and alumina type ceramics. It is manufactured to a close chemistry range, yielding repeatable properties which make it eminently suitable for glass-to-metal seals in mass production applications, or where reliability is of paramount

W.Nr 1.3912 Low Coefficient of Thermal Expansion Ranges from -100°C to +200°C. W.Nr 1.3912 is an iron-nickel alloy with a very low coefficient of thermal expansion in the temperature range -100°C to +200°C. Typical applications are moulds for composite components, piezoelectric injectors, echoboxes and filters for mobile telephone relay stations. Chemical composition Element Ni Fe C Mn P S Si Cr Mo Co Weight(%) 35.0~38.0 Rem 0.10 max 0.60 max 0.025 max 0.025 max 0.35 max 0.50